YOU must have amazing eyesight and an incredible IQ if you can spot the differences in the hedgehog images in a matter of seconds.
This latest brainteaser shows two pictures of hedgehogs - but you have just eight seconds to spot what's different between them.
Set your timer, get your eyes engaged, let's begin!
Make sure to scan every nook and cranny of this tricky brainteaser.
You will need great attention to detail and composure to succeed in this challenge.
Do not get distracted by the other cards and think they all look the same - there are wrong suit symbols mixed in.
read more optical illusions
If you find this challenge too easy, or enjoy testing your brain, have a look at our other optical illusions.
Check this mind-bending brainteaser where you are asked to find the hidden butterfly amongst flowers in just seven seconds.
To make things harder, try figuring out what's wrong with this image of smiling women as you count their legs in 11 seconds.
Lastly, you might want to prove you have a 20/20 vision as you search for a strawberry in this carnival scene.
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If you're struggling to find the differences, here's a clue: there are four to look for.
Did you know that optical illusions have an array of benefits for your mind and body?
How can optical illusions and brainteasers help me?
Engaging in activities like solving optical illusions and brainteasers can have many cognitive benefits as it can stimulate various brain regions.
Some benefits include:
- Cognitive stimulation: Engaging in these activities challenges the brain, promoting mental agility and flexibility.
- Problem-solving skills: Regular practice enhances analytical thinking and problem-solving abilities.
- Memory improvement: These challenges often require memory recall and can contribute to better memory function.
- Creativity: They encourage thinking outside the box, fostering creativity and innovative thought processes.
- Focus and attention: Working on optical illusions and brainteasers requires concentration, contributing to improved focus.
- Stress relief: The enjoyable nature of these puzzles can act as a form of relaxation and stress relief.
People who are able to solve the puzzle quickly possess good observational skills and high cognitive speed.
It tests your ability to process a high volume of visual information and the ability to concentrate under high amounts of pressure.
Psychologists at The University of Glasgow found that staring at an optical illusion can improve eye sight by allowing you to see small print.
If you found the differences, congratulations!
For those who didn't, they're circled below.
Keep your brain engaged and have a go at our three other illusions.